// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/pepper_flash_settings_helper_impl.h"

#include "base/files/file_path.h"
#include "content/browser/plugin_service_impl.h"
#include "content/public/browser/browser_thread.h"
#include "ipc/ipc_channel_handle.h"

namespace content {

// static
scoped_refptr<PepperFlashSettingsHelper> PepperFlashSettingsHelper::Create()
{
    return new PepperFlashSettingsHelperImpl();
}

PepperFlashSettingsHelperImpl::PepperFlashSettingsHelperImpl()
{
}

PepperFlashSettingsHelperImpl::~PepperFlashSettingsHelperImpl()
{
}

void PepperFlashSettingsHelperImpl::OpenChannelToBroker(
    const base::FilePath& path,
    const OpenChannelCallback& callback)
{
    DCHECK_CURRENTLY_ON(BrowserThread::IO);

    if (callback.is_null())
        return;
    if (!callback_.is_null())
        callback.Run(false, IPC::ChannelHandle());

    // Balanced in OnPpapiChannelOpened(). We need to keep this object around
    // until then.
    AddRef();

    callback_ = callback;
    PluginServiceImpl* plugin_service = PluginServiceImpl::GetInstance();
    plugin_service->OpenChannelToPpapiBroker(0, path, this);
}

void PepperFlashSettingsHelperImpl::GetPpapiChannelInfo(
    base::ProcessHandle* renderer_handle,
    int* renderer_id)
{
    *renderer_handle = base::kNullProcessHandle;
    *renderer_id = 0;
}

void PepperFlashSettingsHelperImpl::OnPpapiChannelOpened(
    const IPC::ChannelHandle& channel_handle,
    base::ProcessId /* plugin_pid */,
    int /* plugin_child_id */)
{
    DCHECK_CURRENTLY_ON(BrowserThread::IO);
    DCHECK(!callback_.is_null());

    if (channel_handle.is_mojo_channel_handle())
        callback_.Run(true, channel_handle);
    else
        callback_.Run(false, IPC::ChannelHandle());

    callback_.Reset();
    // Balance the AddRef() call in Initialize().
    Release();
}

bool PepperFlashSettingsHelperImpl::Incognito()
{
    return false;
}

} // namespace content
